Home / 126,400.73-189,642.09-37,655.00

Finding the Fourth Proportional to 126,400.73, 189,642.09 and 37,655.00

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Solution

The fourth proportional to 126,400.73, 189,642.09 and 37,655.00 is: 56,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,400.73 : 189,642.09 = 37,655.00 : x
  2. Step 2: Convert to fraction form
    126,400.73/189,642.09 = 37,655.00/x
  3. Step 3: Cross multiply
    126,400.73x = 189,642.09 × 37,655.00
  4. Step 4: Simplify right side
    126,400.73x = 7,140,971,950.74
  5. Step 5: Solve for x
    x = 7,140,971,950.74/126,400.73
  6. Step 6: Final answer
    x = 56,494.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.